groove with variable pitch
常見例句
- With the theory of kinematics, the universal model of changed angle and variable pitch spiral groove on any turning surface is researched.
本文應(yīng)用運(yùn)動(dòng)學(xué)理論，研究了任意回轉(zhuǎn)體外表面上的變傾角變導(dǎo)程螺旋線的通用模型。 返回 groove with variable pitch